*SUPPORT*
IN: fep OUT: PINK
IN: wif tufa wif lug OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: wif tufa fep lug OUT: BLUE PINK PINK BLUE PINK PINK
IN: gazzer kiki fep wif OUT: PINK BLUE PINK BLUE PURPLE
IN: fep tufa gazzer OUT: PINK PURPLE PURPLE
IN: wif OUT: BLUE
IN: wif fep tufa zup OUT: BLUE PINK GREEN GREEN
IN: zup tufa fep OUT: GREEN PINK PINK
IN: gazzer tufa zup OUT: PURPLE GREEN GREEN
IN: gazzer kiki wif tufa zup OUT: BLUE GREEN GREEN BLUE GREEN GREEN PURPLE
IN: zup fep tufa zup OUT: GREEN PINK GREEN GREEN
IN: zup tufa gazzer OUT: GREEN PURPLE PURPLE
IN: fep tufa wif OUT: PINK BLUE BLUE
IN: gazzer OUT: PURPLE

*QUERY*
IN: gazzer tufa gazzer lug OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: wif tufa zup OUT: BLUE GREEN GREEN
IN: gazzer tufa wif OUT: PURPLE BLUE BLUE
IN: gazzer tufa gazzer OUT: PURPLE PURPLE PURPLE
IN: fep tufa fep OUT: PINK PINK PINK
IN: wif tufa zup lug OUT: BLUE GREEN GREEN BLUE GREEN GREEN
IN: wif tufa gazzer lug OUT: BLUE PURPLE PURPLE BLUE PURPLE PURPLE
IN: fep lug OUT: PINK PINK
IN: gazzer tufa fep OUT: PURPLE PINK PINK
IN: zup OUT: GREEN

*GRAMMAR*
gazzer -> PURPLE 
 zup -> GREEN 
 wif -> BLUE 
 fep -> PINK 
 x1 kiki x2 -> [x2] [x2] [x1] 
 u1 tufa u2 -> [u1] [u2] [u2] 
 x1 lug -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 